CoreDNS Trainers
CoreDNS Trainers For : Online - Classroom - Corporate Training in Worldwide
What is CoreDNS?
CoreDNS is a fast and flexible DNS server written in Go that is commonly used to provide name
resolution in modern cloud-native and containerized environments. It works by translating
service names into IP addresses, allowing applications and services to locate and communicate
with each other easily. CoreDNS is highly modular and uses a plugin-based architecture, which
lets users customize DNS behavior such as caching, forwarding, load balancing, and service
discovery. Because of its simplicity and performance, CoreDNS has become the default DNS
server for Kubernetes, replacing older solutions like kube-dns.
In Kubernetes and microservices architectures, CoreDNS plays a critical role in service
discovery and networking. It dynamically updates DNS records as services are created, scaled,
or removed, ensuring that applications can always find the correct endpoints. CoreDNS also
integrates well with cloud providers and external DNS systems, making it suitable for hybrid
and multi-cloud setups. By providing reliable, scalable, and configurable DNS services,
CoreDNS helps ensure smooth communication between services and supports the stability and
performance of cloud-native applications.
Importance of Quality Trainer for CoreDNS?
A quality trainer is essential for learning CoreDNS, the flexible and extensible DNS server widely used in cloud-native and Kubernetes environments. While CoreDNS may seem straightforward as a DNS solution, understanding its plugin architecture, configuration, service discovery, and integration with container orchestration platforms requires expert guidance. Without proper instruction, learners may struggle to deploy and manage CoreDNS effectively in production environments.
A skilled CoreDNS trainer provides hands-on guidance on installation, configuration, and management of CoreDNS, including the use of plugins for logging, metrics, caching, and health checks. They demonstrate best practices for integrating CoreDNS with Kubernetes, service meshes, and multi-cluster setups, ensuring learners understand both operational and troubleshooting aspects.
Another key advantage of a quality trainer is guidance on performance optimization, security, and scalability. Learners gain insights into tuning CoreDNS for large-scale deployments, securing DNS traffic, and maintaining high availability. Trainers also share real-world scenarios and common pitfalls, helping learners avoid configuration errors and service disruptions.
Finally, a quality CoreDNS trainer builds confidence and professional readiness. Learners acquire the skills to manage and optimize DNS services in modern cloud-native environments, making them valuable in DevOps, SRE, and cloud engineering roles. This makes a quality trainer indispensable for mastering CoreDNS and ensuring reliable service discovery and DNS management.
How DevopsSchool's Trainer is best in industry for CoreDNS?
DevOpsSchool's trainers are considered among the best in the industry for Continuous Delivery (CD) due to their deep industry expertise, practical experience, and hands-on teaching approach. They possess extensive real-world knowledge in CoreDNS, DevOps, and IT automation, often having implemented large-scale CoreDNS solutions in enterprise environments. The training curriculum they provide is comprehensive and up-to-date with the latest tools and methodologies, ensuring learners gain practical skills that are immediately applicable. DevOpsSchool emphasizes hands-on learning, where trainers guide participants through real-world scenarios and projects, making complex topics more accessible. Moreover, these trainers offer personalized guidance, tailoring their teaching to the learner's specific needs and goals. With recognized certifications and a proven track record of producing successful CoreDNS professionals, DevOpsSchool's trainers stand out for their ability to provide both deep technical insights and practical, career-boosting knowledge.
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|---|---|---|---|---|
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Features of DevOpsSchool:-
- Known, Qualified and Experienced Git Trainer.
- Assignments with personal assistance.
- Real time scenario based projects with standard evaluation.
- Hands on Approach - We emphasize on learning by doing.
- The class is consist of Lab by doing.
- Life time access to all learning materials & Lifetime technical support.
Profiles - CoreDNS Trainers
CoreDNS Course content designed by our CoreDNS Trainers
Introduction to CoreDNS
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Understanding DNS and its importance in networking.
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Overview of CoreDNS: architecture, features, and use cases.
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Role of CoreDNS in cloud-native, Kubernetes, and microservices environments.
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Real-world examples of CoreDNS deployment in enterprises.
Fundamentals of DNS
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DNS concepts: zones, records, resolution, and caching.
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Types of DNS records: A, AAAA, CNAME, MX, TXT, SRV.
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DNS resolution process and hierarchy.
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Lab: Setting up a basic DNS server and querying records.
CoreDNS Architecture and Components
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Understanding CoreDNS architecture: server, plugins, and middleware.
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How CoreDNS handles requests and integrates with the network.
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Lab: Installing CoreDNS and exploring its components.
Installation and Configuration
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Installing CoreDNS on Linux and in Kubernetes environments.
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Configuration files and syntax (Corefile).
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Lab: Installing CoreDNS in a standalone environment and testing configuration.
CoreDNS Plugins and Middleware
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Overview of default and custom plugins: forward, cache, etcd, health, log, metrics.
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Using middleware to extend CoreDNS functionality.
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Lab: Configuring plugins for logging, caching, and forwarding requests.
Service Discovery with CoreDNS
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CoreDNS integration with Kubernetes for service discovery.
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Handling DNS for pods, services, and external endpoints.
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Lab: Configuring CoreDNS for Kubernetes cluster service discovery.
Zones and Record Management
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Managing zones, subdomains, and record types.
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Dynamic and static record configuration.
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Lab: Creating zones and managing records in CoreDNS.
Security and Access Control
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Securing DNS traffic with TLS and DNSSEC.
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Implementing access controls and rate-limiting.
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Lab: Configuring secure DNS queries and restricting access to CoreDNS.
Performance Optimization
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Caching strategies, load balancing, and query optimization.
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Monitoring performance metrics using Prometheus and Grafana.
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Lab: Optimizing DNS queries and analyzing CoreDNS performance.
Monitoring, Logging, and Troubleshooting
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Collecting logs and metrics for operational insights.
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Debugging DNS resolution issues and plugin errors.
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Lab: Setting up monitoring dashboards and troubleshooting DNS issues.
Advanced CoreDNS Features
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Multi-cluster DNS, federation, and high-availability setups.
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Custom plugin development for specific requirements.
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Lab: Implementing advanced configurations and custom plugins.
Real-World Project Simulation
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Hands-on project simulating enterprise DNS deployment using CoreDNS.
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Tasks include installation, configuration, service discovery, security, and performance tuning.
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Trainer-led review and discussion of best practices.
Course Wrap-Up & Career Guidance
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Recap of CoreDNS architecture, plugins, and enterprise best practices.
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Career pathways: Cloud Engineer, DevOps Engineer, Kubernetes Administrator, Networking Specialist.
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Q&A session with trainers, discussion of industry scenarios, and guidance for advanced learning.
Training Flow
The CoreDNS Course is a comprehensive program designed to provide participants with in-depth knowledge and practical skills for deploying, configuring, and managing CoreDNS—a highly flexible, extensible, and cloud-native DNS server. CoreDNS is widely used in Kubernetes environments and other cloud-native platforms to handle service discovery, name resolution, and DNS management efficiently. This course combines theoretical understanding, hands-on labs, real-world scenarios, and practical projects to ensure participants can implement, optimize, and troubleshoot DNS infrastructure confidently. By the end of the course, learners will be capable of configuring CoreDNS for complex environments, integrating it with service discovery systems, and applying best practices for performance, security, and reliability.
High-Level Training Flow – CoreDNS Course
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Training Needs Analysis (TNA)
The course begins by evaluating participants’ knowledge of DNS concepts, networking fundamentals, cloud-native architectures, and service discovery mechanisms. TNA identifies knowledge gaps, learning objectives, and areas that need focus to customize the course effectively for both individual and organizational needs. -
Curriculum Finalization & Agenda Approval
Based on TNA results, a detailed curriculum is finalized. Core modules include CoreDNS architecture, plugin usage, configuration syntax, forwarding and caching, load balancing, health checks, security considerations, and integration with Kubernetes or container orchestration platforms. The agenda is reviewed and approved to ensure it meets business objectives and participant expectations. -
Environment Setup
Hands-on learning requires a fully prepared environment. Lab setups include CoreDNS servers, Kubernetes clusters (or equivalent container environments), pre-configured DNS zones, sample applications, and access accounts. Participants are provided with all necessary tools to practice configuration, deployment, and troubleshooting exercises seamlessly. -
Content Preparation
Trainers prepare comprehensive learning materials, including slides, demos, guided exercises, and sample configurations. Exercises simulate real-world DNS challenges, such as service discovery integration, plugin configuration, request routing, and troubleshooting DNS queries in dynamic environments. -
Training Delivery
Live sessions combine lectures, live demonstrations, and interactive labs. Participants learn to deploy CoreDNS, configure plugins, manage zones, implement caching, forward requests efficiently, and monitor DNS performance. Emphasis is placed on real-world scenarios to ensure practical knowledge that can be applied immediately in production environments. -
Daily Recap & Lab Review
At the end of each session, instructors summarize key concepts, review lab exercises, and address participant questions. Recaps reinforce learning, clarify doubts, and ensure participants are confident before progressing to advanced topics such as Kubernetes service discovery integration or high-availability configurations. -
Assessment & Project Submission
Participants are evaluated through quizzes, practical lab exercises, and a final capstone project. The project typically involves designing a functional CoreDNS setup with multiple services, configuring plugins, integrating with a service discovery platform, and implementing monitoring and alerting. This ensures participants can apply all learned concepts effectively. -
Feedback Collection
Participant feedback is gathered to evaluate content clarity, delivery style, pace, practical relevance, and overall course effectiveness. Trainers analyze feedback to refine exercises, update materials, and improve future sessions. -
Post-Training Support
Continuous support is provided via Q&A sessions, Slack/Telegram groups, or email. Trainers assist with troubleshooting, performance tuning, plugin configuration, and advanced integration scenarios, ensuring participants can implement and manage CoreDNS effectively in production environments. -
Training Report Submission
A comprehensive report is prepared for corporate clients or internal management. It includes attendance, assessment results, lab completion, project outcomes, and participant feedback. This report provides transparency on training effectiveness, highlights participant readiness, and offers actionable insights for further skill development.
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FAQ
Can I attend a Demo Session?
To maintain the quality of our live sessions, we allow limited number of participants. Therefore, unfortunately live session demo cannot be possible without enrollment confirmation. But if you want to get familiar with our training methodology and process or trainer's teaching style, you can request a pre recorded Training videos before attending a live class.
Will I get any project?
We do not have any demo class of concept. In case if you want to get familiar with our training methodology and process, you can request a pre recorded sessions videos before attending a live class?
Who are the training Instructors?
All our instructors are working professionals from the Industry and have at least 10-12 yrs of relevant experience in various domains. They are subject matter experts and are trained for providing online training so that participants get a great learning experience.
Do you provide placement assistance?
No, But we help you to get prepared for the interview. Since there is a big demand for this skill, we help our students for resumes preparations, work on real life projects and provide assistance for interview preparation.
What are the system requirements for this course?
The system requirements include Windows / Mac / Linux PC, Minimum 2GB RAM and 20 GB HDD Storage with Windows/CentOS/Redhat/Ubuntu/Fedora.
How will I execute the Practicals?
In CoreDNS, We can help you setup the instance in Continuous
Delivery (CD) (Cloud
Foundry,
Containershare
&
CoreDNS,
the
same VMs can be used in this training.
Also, We will provide you with step-wise installation guide to set up the Virtual
Box
Cent OS environment on your system which will be used for doing the hands-on
exercises,
assignments, etc.
What are the payment options?
You can pay using NetBanking from all the leading banks. For USD payment, you can pay by Paypal or Wired.
What if I have more queries?
Please email to contact@DevopsSchool.com
What if I miss any class?
You will never lose any lecture at DevOpsSchool. There are two options available:
You can view the class presentation, notes and class recordings that are available for online viewing 24x7 through our site Learning management system (LMS).
You can attend the missed session, in any other live batch or in the next batch within 3 months. Please note that, access to the learning materials (including class recordings, presentations, notes, step-bystep-guide etc.)will be available to our participants for lifetime.
Do we have classroom training?
We can provide class room training only if number of participants are more than 6 in that specific city.
What is the location of the training?
Its virtual led training so the training can be attended using Webex | GoToMeeting
How is the virtual led online training place?
What is difference between DevOps and Build/Release courses?
Do you provide any certificates of the training?
DevOpsSchool provides Course completion certification which is industry recognized and does holds value. This certification will be available on the basis of projects and assignments which particiapnt will get within the training duration.
What if you do not like to continue the class due to personal reason?
You can attend the missed session, in any other live batch free of cost. Please note, access to the course material will be available for lifetime once you have enrolled into the course. If we provide only one time enrollment and you can attend our training any number of times of that specific course free of cost in future
Do we have any discount in the fees?
Our fees are very competitive. Having said that if we get courses enrollment in
groups,
we do provide following discount
One Students - 5% Flat discount
Two to Three students - 10% Flat discount
Four to Six Student - 15% Flat discount
Seven & More - 25% Flat Discount
Refund Policy
If you are reaching to us that means you have a genuine need of this training, but if you feel that the training does not fit to your expectation level, You may share your feedback with trainer and try to resolve the concern. We have no refund policy once the training is confirmed.
Why we should trust DevOpsSchool for online training
You can know more about us on Web, Twitter, Facebook and linkedin and take your own decision. Also, you can email us to know more about us. We will call you back and help you more about the trusting DevOpsSchool for your online training.
How to get fees receipt?
You can avail the online training reciept if you pay us via Paypal or Elance. You can also ask for send you the scan of the fees receipt.
Participant's Feedback
Gourav Singh
Deputy manager
Outstanding training. Rajesh has not wasted a time while creating VM's and fixing the bugs for half a day. He was well planned and created machines in CoreDNS with in a min. His way of teaching is good, very good knowledge on devops tools. Thank you Rajesh. Only comment is please do not take more tools in a single training.
Raja Tomar
Senior Technical Containertant
I attended the CoreDNS computing course offered by scmGalaxvery .Since I am a complete newbie in it. I found it very informative.Rajesh carried out the session well with minimal wastage.It touched upon basics of devops, CoreDNS/ CoreDNS computing and docker. i would like to have detailed sessions in the future as the course length was small as compared to topics available.
Reshma Rani
UX Design
I will rate 5 star to scmGalaxy. The Splunk course was really useful and value for money and trainer was great at explaining everything practically and giving good industry examples which has make me comfortable to implement it in live project.
Anagha Ranade
BMC Software India
I found CoreDNS computing training (From Rajesh Kumar) useful and good. The training material is also very good.Trainer is knowledgeable. But IMO training course duration was not enough and many topics were covered in hurry.
Raja Tomar
Senior Technical Containertant
I attended the CoreDNS computing course offered by scmGalaxvery .Since I am a complete newbie in it. I found it very informative.Rajesh carried out the session well with minimal wastage.It touched upon basics of devops, CoreDNS/ CoreDNS computing and docker. i would like to have detailed sessions in the future as the course length was small as compared to topics available.
Gourav Singh
Deputy manager
Outstanding training. Rajesh has not wasted a time while creating VM's and fixing the bugs for half a day. He was well planned and created machines in CoreDNS with in a min. His way of teaching is good, very good knowledge on devops tools. Thank you Rajesh. Only comment is please do not take more tools in a single training.
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